Search a number
-
+
20700514 = 210350257
BaseRepresentation
bin100111011110…
…1110101100010
31102221200202201
41032331311202
520244404024
62015403414
7340644232
oct116756542
942850681
1020700514
111075966a
126b2356a
13439a233
142a6bcc2
151c3d744
hex13bdd62

20700514 has 4 divisors (see below), whose sum is σ = 31050774. Its totient is φ = 10350256.

The previous prime is 20700503. The next prime is 20700523. The reversal of 20700514 is 41500702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18966025 + 1734489 = 4355^2 + 1317^2 .

It is a super-2 number, since 2×207005142 = 857022559728392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20700491 and 20700500.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5175127 + ... + 5175130.

Almost surely, 220700514 is an apocalyptic number.

20700514 is a deficient number, since it is larger than the sum of its proper divisors (10350260).

20700514 is a wasteful number, since it uses less digits than its factorization.

20700514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10350259.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 20700514 is about 4549.7817530075. The cubic root of 20700514 is about 274.5746106366.

The spelling of 20700514 in words is "twenty million, seven hundred thousand, five hundred fourteen".

Divisors: 1 2 10350257 20700514